November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Byte to Bit, Chef and Circles, Chef and Serves, Minimize Digitsum, Appy and Balloons
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, (Challenge) Chef and Matching Game, A Pizza Slice
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance
India